/Engine/Source/Runtime/Core/Public/Misc/CoreDelegates.h
static [TMulticastDelegate](API\Runtime\Core\Delegates\TMulticastDelegate)< void(const [FGuid](API\Runtime\Core\Misc\FGuid) &, const [FAES::FAESKey](API\Runtime\Core\Misc\FAES\FAESKey) &)> & GetRegisterEncryptionKeyMulticastDelegate()